| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef IOS_CHROME_BROWSER_TRANSLATE_CHROME_IOS_TRANSLATE_CLIENT_H_ |
| #define IOS_CHROME_BROWSER_TRANSLATE_CHROME_IOS_TRANSLATE_CLIENT_H_ |
| |
| #import <Foundation/Foundation.h> |
| |
| #include <memory> |
| #include <string> |
| |
| #include "base/macros.h" |
| #include "components/translate/core/browser/translate_client.h" |
| #include "components/translate/core/browser/translate_step.h" |
| #include "components/translate/core/common/translate_errors.h" |
| #include "components/translate/ios/browser/ios_translate_driver.h" |
| #include "ios/web/public/web_state/web_state_observer.h" |
| #include "ios/web/public/web_state/web_state_user_data.h" |
| |
| class PrefService; |
| |
| namespace metrics { |
| class TranslateEventProto; |
| } // namespace metrics |
| |
| namespace translate { |
| class TranslateAcceptLanguages; |
| class TranslatePrefs; |
| class TranslateManager; |
| |
| struct LanguageDetectionDetails; |
| } // namespace translate |
| |
| namespace web { |
| class WebState; |
| } // namespace web |
| |
| @protocol LanguageSelectionHandler; |
| @protocol TranslateNotificationHandler; |
| @protocol TranslateOptionSelectionHandler; |
| |
| class ChromeIOSTranslateClient |
| : public translate::TranslateClient, |
| public web::WebStateObserver, |
| public web::WebStateUserData<ChromeIOSTranslateClient> { |
| public: |
| ~ChromeIOSTranslateClient() override; |
| |
| // Creates a translation client tab helper and attaches it to |web_state| |
| static void CreateForWebState(web::WebState* web_state); |
| |
| // Helper method to return a new TranslatePrefs instance. |
| static std::unique_ptr<translate::TranslatePrefs> CreateTranslatePrefs( |
| PrefService* prefs); |
| |
| // Gets the associated TranslateManager. |
| translate::TranslateManager* GetTranslateManager(); |
| |
| // TranslateClient implementation. |
| translate::IOSTranslateDriver* GetTranslateDriver() override; |
| PrefService* GetPrefs() override; |
| std::unique_ptr<translate::TranslatePrefs> GetTranslatePrefs() override; |
| translate::TranslateAcceptLanguages* GetTranslateAcceptLanguages() override; |
| int GetInfobarIconID() const override; |
| // Record language detection event. |
| void RecordLanguageDetectionEvent( |
| const translate::LanguageDetectionDetails& details) const override; |
| void RecordTranslateEvent(const metrics::TranslateEventProto&) override; |
| std::unique_ptr<infobars::InfoBar> CreateInfoBar( |
| std::unique_ptr<translate::TranslateInfoBarDelegate> delegate) |
| const override; |
| bool ShowTranslateUI(translate::TranslateStep step, |
| const std::string& source_language, |
| const std::string& target_language, |
| translate::TranslateErrors::Type error_type, |
| bool triggered_from_menu) override; |
| bool IsTranslatableURL(const GURL& url) override; |
| void ShowReportLanguageDetectionErrorUI(const GURL& report_url) override; |
| |
| void set_language_selection_handler(id<LanguageSelectionHandler> handler) { |
| language_selection_handler_ = handler; |
| } |
| |
| void set_translate_option_selection_handler( |
| id<TranslateOptionSelectionHandler> handler) { |
| translate_option_selection_handler_ = handler; |
| } |
| |
| void set_translate_notification_handler( |
| id<TranslateNotificationHandler> handler) { |
| translate_notification_handler_ = handler; |
| } |
| |
| private: |
| ChromeIOSTranslateClient(web::WebState* web_state); |
| friend class web::WebStateUserData<ChromeIOSTranslateClient>; |
| |
| // web::WebStateObserver implementation. |
| void DidStartLoading(web::WebState* web_state) override; |
| void WebStateDestroyed(web::WebState* web_state) override; |
| |
| // The WebState this instance is observing. Will be null after |
| // WebStateDestroyed has been called. |
| web::WebState* web_state_ = nullptr; |
| |
| std::unique_ptr<translate::TranslateManager> translate_manager_; |
| translate::IOSTranslateDriver translate_driver_; |
| __weak id<LanguageSelectionHandler> language_selection_handler_; |
| __weak id<TranslateOptionSelectionHandler> |
| translate_option_selection_handler_; |
| __weak id<TranslateNotificationHandler> translate_notification_handler_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ChromeIOSTranslateClient); |
| }; |
| |
| #endif // IOS_CHROME_BROWSER_TRANSLATE_CHROME_IOS_TRANSLATE_CLIENT_H_ |